How Might You Characterize the Difference Between Inside Lobbying and Outside

How might you characterize the difference between inside lobbying and outside lobbying?

A) Inside lobbying focuses on reelecting incumbent candidates,while outside lobbying pursues the election of challengers
B) Inside lobbying most often occurs with members of Congress and their staff,while outside lobbyists focus primarily on the executive branch.
C) Inside lobbying takes place within the power structures of Washington,while outside lobbying is driven by individuals who are "outside" the political system.
D) Inside lobbyists advocate directly with decision makers in government,while outside lobbyists seek to influence opinion and stimulate action by the general public.
E) Inside lobbyists file briefs or pursue litigation,while outside lobbyists focus primarily on public demonstrations and rallies.